So there is more even playing field instead of the 21:1 ratio, we are doing much more, focusing on the positive.

比起21比1的比率，两方更均衡，我们做得更多，除了专注于积极的一面。

哈佛公开课 - 幸福课课程节选

Second reason for having positive psychology's field of study and focusing on what works and focusing on research in happiness,relationships and wellbeing is because happiness does not spontaneously rise when take unhappiness away.

第二个研究积极心理学的原因,研究可行的事和,研究快乐，人际关系，幸福的原因,是因为幸福不会因为驱除了忧愁,而自动增长。

哈佛公开课 - 幸福课课程节选